What does ba mean in baby language?

"Ba" is often one of the first syllables that babies learn to say, and it is a common sound in baby language around the world. In English, "ba" often refers to a bottle or cup, and can be used to express a desire for food or drink. It can also be used to imitate the sound of swallowing. Additionally, "ba" can be used as a term of endearment, similar to "baby" or "sweetheart."